First, thanks for the feedback! We are constantly trying to keep a balance of advertisement revenue and prizes paid so that we can payout the maximum while staying "in business". In fact, we've had this site running since April 1 of 2014 so we're going on ten months now!
It's been a really common question.. "do you really pay out larger prizes?" ..and it's why we start to reward people with higher levels, gold and platinum tickets and other perks when they post the serial number for their winning 10k+ tickets, as proof they do exist. If you want to look through this tread and see a ticket on the site, all you need to do is take the serial number and attach it to the following URL http://www.scratch4satoshis.com/?Ticket=
and it will show you the winning ticket (unless it's old and deprecated, we have to delete tickets about once a month due to the sheer number in the database) and if you solve the captcha, who it was paid to.
That said, you took the time to post, so if you reply or private message me your btc address, I'll make sure your next play it a platinum ticket and who knows, maybe your luck will change! Don't feel bad though, when a prize is awarded, it randomly selects from all available prizes. The ratio is 10000 fifth prizes of 1k, 1000 fourth prizes of 2k, 100 third prizes of 10k, 10 second prizes of 50k and 1 top prize of 200k. So when you win a prize, like a real scratch and win ticket, the odds are pretty high you'll pull a 1k or 2k prize. But the others do exist!